Photo 1 of Amazon Basics Smart Box Spring Bed Base, 9-Inch Mattress Foundation - Twin XL, Tool-Free Easy Assembly Twin XL 9-Inch Smart Box Spring

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Photo 1 of Amazon Basics Smart Box Spring Bed Base, 9-Inch Mattress Foundation - Twin XL, Tool-Free Easy Assembly Twin XL 9-Inch Smart Box SpringPhoto 2 of Amazon Basics Smart Box Spring Bed Base, 9-Inch Mattress Foundation - Twin XL, Tool-Free Easy Assembly Twin XL 9-Inch Smart Box SpringPhoto 3 of Amazon Basics Smart Box Spring Bed Base, 9-Inch Mattress Foundation - Twin XL, Tool-Free Easy Assembly Twin XL 9-Inch Smart Box Spring